use template for sending mail

input/templates/input/ifg_volunteer_mail.txt

@@ -0,0 +1 @@
+hello {{realname}}

input/views.py

@@ -4,6 +4,8 @@ from django.http import HttpResponse
 from formtools.wizard.views import CookieWizardView
 from django.core.mail import send_mail
 from django.conf import settings
+from django.template.loader import get_template
+from django.template import Context
 
 from .forms import ProjectForm, VolunteerForm, LibraryForm, IFGForm
 from .models import Project
@@ -88,9 +90,11 @@ class ExternView(CookieWizardView):
 
         # we need to send the following mails here:
         #  - mail with entered data to the Volunteer
+        mail_template = get_template('input/ifg_volunteer_mail.txt')
+        context = { 'realname': data['realname'] }
         send_mail(
             'form filled',
-            'you are such a great form filler!',
+            mail_template.render(context),
             settings.IF_EMAIL,
             [form.email],
             fail_silently=False,